Home / 13,216.28-19,824.48-3,355.56

Finding the Fourth Proportional to 13,216.28, 19,824.48 and 3,355.56

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Solution

The fourth proportional to 13,216.28, 19,824.48 and 3,355.56 is: 5,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,216.28 : 19,824.48 = 3,355.56 : x
  2. Step 2: Convert to fraction form
    13,216.28/19,824.48 = 3,355.56/x
  3. Step 3: Cross multiply
    13,216.28x = 19,824.48 × 3,355.56
  4. Step 4: Simplify right side
    13,216.28x = 66,522,232.11
  5. Step 5: Solve for x
    x = 66,522,232.11/13,216.28
  6. Step 6: Final answer
    x = 5,033.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.